/*
 * Tencent is pleased to support the open source community by making BK-JOB蓝鲸智云作业平台 available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-JOB蓝鲸智云作业平台 is licensed under the MIT License.
 *
 * License for BK-JOB蓝鲸智云作业平台:
 * --------------------------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

package com.tencent.bk.job.common.util;

import org.springframework.http.HttpCookie;
import org.springframework.http.HttpHeaders;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.util.MultiValueMap;

import java.util.List;
import java.util.Map;

public class RequestUtil {
    public static String getHeaderValue(ServerHttpRequest request, String header) {
        HttpHeaders httpHeaders = request.getHeaders();
        if (httpHeaders == null) {
            return null;
        }
        List<String> values = httpHeaders.get(header);
        if (values != null && !values.isEmpty()) {
            return values.get(0);
        }
        return null;
    }

    public static String getCookieValue(ServerHttpRequest request, String cookieName) {
        MultiValueMap<String, HttpCookie> multiValueCookieMap = request.getCookies();
        if (multiValueCookieMap == null) {
            return null;
        }
        Map<String, HttpCookie> cookieMap = multiValueCookieMap.toSingleValueMap();
        if (cookieMap == null) {
            return null;
        }
        HttpCookie cookie = cookieMap.get(cookieName);
        if (cookie == null) {
            return null;
        }
        return cookie.getValue();
    }
}
